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Am J Clin Nutr 2021 Mar 1. Epub 2021 Mar 1.

Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA.

Background: The carbon isotope ratios (CIRs) of individual amino acids (AAs) may provide more sensitive and specific biomarkers of sugar-sweetened beverages (SSBs) than total tissue CIR. Because CIRs turn over slowly, long-term controlled-feeding studies are needed in their evaluation.

Objective: We assessed the responses of plasma and RBC CIRAA's to SSB and meat intake in a 12-wk inpatient feeding study. Read More

Plant Physiol Biochem 2021 Feb 22;162:124-136. Epub 2021 Feb 22.

Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin, 150040, China; College of Life Science, Northeast Forestry University, Harbin, 150040, China. Electronic address:

The purple pigmentation in the epidermis of swollen roots of 'Tsuda' turnip (Brassica rapa subsp. rapa) is induced by light, providing a good system to investigate the genetic mechanism of light-dependent anthocyanin biosynthesis in B. rapa. Read More

Biochem Biophys Res Commun 2021 Mar 3;549:128-134. Epub 2021 Mar 3.

Department of Clinical Oncology, Kyoto Pharmaceutical University, Misasagi-Nakauchicho 5, Yamashina, Kyoto, 607-8414, Japan. Electronic address:

γ-Glutamylcyclotransferase (GGCT) is involved in glutathione homeostasis, in which it catalyzes the reaction that generates 5-oxoproline and free amino acids from γ-glutamyl peptides. Increasing evidence shows that GGCT has oncogenic functions and is overexpressed in various cancer tissues, and that inhibition of GGCT activity exerts anticancer effects in vitro and in vivo. Here, we demonstrate that U83836E ((2R)-2-[[4-(2,6-dipyrrolidin-1-ylpyrimidin-4-yl)piperazin-1-yl]methyl]-3,4-dihydro-2,5,7,8,-tetramethyl-2H-1-benzopyran-6-ol, dihydrochloride), a lazaroid that inhibits lipid peroxidation, inhibits GGCT enzymatic activity. Read More

Poult Sci 2021 Jan 23;100(4):101014. Epub 2021 Jan 23.

College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China; Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha, Hunan, China; Hunan Engineering Research Center of Poultry Production Safety, Changsha, Hunan, China; Hunan Co-Innovation Center of Animal Production Safety, Changsha, Hunan, China.

The chicken egg yolk, which is abundant with lipids, proteins, and minerals, is the major nutrient resource for the embryonic development. In fact, the magnitude and type of yolk nutrients are dynamically changed during the chicken embryogenesis to meet the developmental and nutritional requests at different stages. The yolk nutrients are metabolized and absorbed by the yolk sac membrane and then used by the embryo or other extraembryonic tissues. Read More

Protein Expr Purif 2021 Mar 3:105865. Epub 2021 Mar 3.

College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, 330045, P. R. China; Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables in Jiangxi Province, Nanchang 330045, P. R. China. Electronic address:

The tresI gene of Myxococcus sp. strain V11 was cloned, and found to encode a trehalose synthase comprising 551 amino acids. The deduced molecular weight of the encoded TreS I protein 64. Read More